Working principle of weighing transducer
A weighing transducer is a sensor that measures force and outputs this force as an electrical signal. Most weighing transducers use strain gauges to detect and measure, but there are also hydraulic and pneumatic load cells.
Strain gauge weighing transducer
Strain gauge weighing transducers usually have four strain gauges in a Wheatstone bridge configuration, which is a circuit that balances the two legs of the bridge circuit.
The measured force deforms the strain gauge in this type of weighing transducer, and the deformation is measured as a change in the electrical signal. There are several common strain gauge load cell configurations, including shear beam, S-type, and compression.
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